Home / 7,884,781.60-11,824,839.60-3,089,711.20

Finding the Fourth Proportional to 7,884,781.60, 11,824,839.60 and 3,089,711.20

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Solution

The fourth proportional to 7,884,781.60, 11,824,839.60 and 3,089,711.20 is: 4,633,652.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,884,781.60 : 11,824,839.60 = 3,089,711.20 : x
  2. Step 2: Convert to fraction form
    7,884,781.60/11,824,839.60 = 3,089,711.20/x
  3. Step 3: Cross multiply
    7,884,781.60x = 11,824,839.60 × 3,089,711.20
  4. Step 4: Simplify right side
    7,884,781.60x = 36,535,339,350,323.52
  5. Step 5: Solve for x
    x = 36,535,339,350,323.52/7,884,781.60
  6. Step 6: Final answer
    x = 4,633,652.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.